Finding the Fourth Proportional to 80,198,749.50, 120,300,486.21 and 19,614,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,198,749.50 : 120,300,486.21 = 19,614,475.50 : x
2. Step 2: Convert to fraction form
   80,198,749.50/120,300,486.21 = 19,614,475.50/x
3. Step 3: Cross multiply
   80,198,749.50x = 120,300,486.21 × 19,614,475.50
4. Step 4: Simplify right side
   80,198,749.50x = 2,359,630,939,404,132.50
5. Step 5: Solve for x
   x = 2,359,630,939,404,132.50/80,198,749.50
6. Step 6: Final answer
   x = 29,422,290.92